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Asscher|Lab Grown|IGI

4.51ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG784642072

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG784642072

Diamond specifications and retailer prices

From $10,868 NZD
$6,125 USD
As of October 30, 2026
Save $19,296 NZD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $74,769 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown asscher diamond

This 4.51ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642072 or 784642072. Listed at 14 retailers as of October 30, 2026, with a 178% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642072
Dimensions9.31 × 9.14 × 5.94 mm
L/W Ratio1.02
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.31 mm9.14 mm4.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642072
Side View
Table 64.0%Crown 33.1°Girdle: ThickPavilion 37.2°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $74,769 NZD|Low: $10,868 NZD|High: $89,620 NZD|Avg: $24,409 NZD|-16.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 3$10,868 NZD
Retailer 13$11,318 NZD
Retailer 12$11,336 NZD
Retailer 9$11,387 NZD
Retailer 10$12,580 NZD
Retailer 11$14,989 NZD
Retailer 8$16,517 NZD
Retailer 6$16,895 NZD
Retailer 5$17,858 NZD
Retailer 7$19,453 NZD
Retailer 4$24,461 NZD
Retailer 2$27,815 NZD
Retailer 14$30,163 NZD
Do Amore Diamonds$74,769 NZD

35 data points across 14 retailers

14 retailers$10,868 NZD to $30,163 NZD

A
Cheapest Retailer
-
$10,868 NZD
$6,125 USD
A
Retailer 2
-
$11,318 NZD
$6,379 USD
View
A
Retailer 3
-
$11,336 NZD
$6,389 USD
View
A
Retailer 4
-
$11,387 NZD
$6,418 USD
View
A
Retailer 5
-
$12,580 NZD
$7,090 USD
View
A
Retailer 6
-
$14,989 NZD
$8,448 USD
View
A
Retailer 7
-
$16,517 NZD
$9,309 USD
View
B+
Retailer 8
-
$16,895 NZD
$9,522 USD
View
Final sale: no returns
Retailer 9
-
$17,858 NZD
$10,065 USD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$19,453 NZD
$10,964 USD
View
B+
Retailer 11
-
$24,461 NZD
€13,130 EUR
View
B+
Retailer 12
-
$27,815 NZD
£12,344 GBP
View
B+
Retailer 13
-
$30,163 NZD
$17,000 USD
View
Most Expensive
Do Amore Diamonds
27-AF998A97A · Oct 31
$74,769 NZD
$42,140 USD
View
Price under review
13 more retailers have this diamond
Prices start from $10,868 NZDSave up to $19,296 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.51ct Asscher
$10,868 NZD